Home / 4,986.57-6,881.51-2,748.53

Finding the Fourth Proportional to 4,986.57, 6,881.51 and 2,748.53

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Solution

The fourth proportional to 4,986.57, 6,881.51 and 2,748.53 is: 3,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.57 : 6,881.51 = 2,748.53 : x
  2. Step 2: Convert to fraction form
    4,986.57/6,881.51 = 2,748.53/x
  3. Step 3: Cross multiply
    4,986.57x = 6,881.51 × 2,748.53
  4. Step 4: Simplify right side
    4,986.57x = 18,913,988.53
  5. Step 5: Solve for x
    x = 18,913,988.53/4,986.57
  6. Step 6: Final answer
    x = 3,792.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.